197 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_read()  local
203 	if (dac33->chip_power) {  in dac33_read()
223 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_write()  local
236 	if (dac33->chip_power) {  in dac33_write()
250 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_write_locked()  local
253 	mutex_lock(&dac33->mutex);  in dac33_write_locked()
255 	mutex_unlock(&dac33->mutex);  in dac33_write_locked()
264 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_write16()  local
281 	if (dac33->chip_power) {  in dac33_write16()
296 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_init_chip()  local
298 	if (unlikely(!dac33->chip_power))  in dac33_init_chip()
377 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_hard_power()  local
380 	mutex_lock(&dac33->mutex);  in dac33_hard_power()
383 	if (unlikely(power == dac33->chip_power)) {  in dac33_hard_power()
390 		ret = regulator_bulk_enable(ARRAY_SIZE(dac33->supplies),  in dac33_hard_power()
391 					  dac33->supplies);  in dac33_hard_power()
398 		if (dac33->power_gpio >= 0)  in dac33_hard_power()
399 			gpio_set_value(dac33->power_gpio, 1);  in dac33_hard_power()
401 		dac33->chip_power = 1;  in dac33_hard_power()
404 		if (dac33->power_gpio >= 0)  in dac33_hard_power()
405 			gpio_set_value(dac33->power_gpio, 0);  in dac33_hard_power()
407 		ret = regulator_bulk_disable(ARRAY_SIZE(dac33->supplies),  in dac33_hard_power()
408 					     dac33->supplies);  in dac33_hard_power()
415 		dac33->chip_power = 0;  in dac33_hard_power()
419 	mutex_unlock(&dac33->mutex);  in dac33_hard_power()
427 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_playback_event()  local
431 		if (likely(dac33->substream)) {  in dac33_playback_event()
432 			dac33_calculate_times(dac33->substream, codec);  in dac33_playback_event()
433 			dac33_prepare_chip(dac33->substream, codec);  in dac33_playback_event()
447 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_get_fifo_mode()  local
449 	ucontrol->value.integer.value[0] = dac33->fifo_mode;  in dac33_get_fifo_mode()
458 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_set_fifo_mode()  local
461 	if (dac33->fifo_mode == ucontrol->value.integer.value[0])  in dac33_set_fifo_mode()
471 		dac33->fifo_mode = ucontrol->value.integer.value[0];  in dac33_set_fifo_mode()
658 static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)  in dac33_prefill_handler()  argument
660 	struct snd_soc_codec *codec = dac33->codec;  in dac33_prefill_handler()
664 	switch (dac33->fifo_mode) {  in dac33_prefill_handler()
667 			DAC33_THRREG(dac33->nsample));  in dac33_prefill_handler()
670 		spin_lock_irqsave(&dac33->lock, flags);  in dac33_prefill_handler()
671 		dac33->t_stamp2 = ktime_to_us(ktime_get());  in dac33_prefill_handler()
672 		dac33->t_stamp1 = dac33->t_stamp2;  in dac33_prefill_handler()
673 		spin_unlock_irqrestore(&dac33->lock, flags);  in dac33_prefill_handler()
676 				DAC33_THRREG(dac33->alarm_threshold));  in dac33_prefill_handler()
678 		delay = SAMPLES_TO_US(dac33->burst_rate,  in dac33_prefill_handler()
679 				     dac33->alarm_threshold) + 1000;  in dac33_prefill_handler()
685 		spin_lock_irqsave(&dac33->lock, flags);  in dac33_prefill_handler()
686 		dac33->t_stamp1 = ktime_to_us(ktime_get());  in dac33_prefill_handler()
688 		dac33->t_stamp1 -= dac33->mode7_us_to_lthr;  in dac33_prefill_handler()
689 		spin_unlock_irqrestore(&dac33->lock, flags);  in dac33_prefill_handler()
699 							dac33->fifo_mode);  in dac33_prefill_handler()
704 static inline void dac33_playback_handler(struct tlv320dac33_priv *dac33)  in dac33_playback_handler()  argument
706 	struct snd_soc_codec *codec = dac33->codec;  in dac33_playback_handler()
709 	switch (dac33->fifo_mode) {  in dac33_playback_handler()
712 		spin_lock_irqsave(&dac33->lock, flags);  in dac33_playback_handler()
713 		dac33->t_stamp2 = ktime_to_us(ktime_get());  in dac33_playback_handler()
714 		spin_unlock_irqrestore(&dac33->lock, flags);  in dac33_playback_handler()
717 				DAC33_THRREG(dac33->nsample));  in dac33_playback_handler()
724 							dac33->fifo_mode);  in dac33_playback_handler()
732 	struct tlv320dac33_priv *dac33;  in dac33_work()  local
735 	dac33 = container_of(work, struct tlv320dac33_priv, work);  in dac33_work()
736 	codec = dac33->codec;  in dac33_work()
738 	mutex_lock(&dac33->mutex);  in dac33_work()
739 	switch (dac33->state) {  in dac33_work()
741 		dac33->state = DAC33_PLAYBACK;  in dac33_work()
742 		dac33_prefill_handler(dac33);  in dac33_work()
745 		dac33_playback_handler(dac33);  in dac33_work()
750 		dac33->state = DAC33_IDLE;  in dac33_work()
760 	mutex_unlock(&dac33->mutex);  in dac33_work()
766 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_interrupt_handler()  local
769 	spin_lock_irqsave(&dac33->lock, flags);  in dac33_interrupt_handler()
770 	dac33->t_stamp1 = ktime_to_us(ktime_get());  in dac33_interrupt_handler()
771 	spin_unlock_irqrestore(&dac33->lock, flags);  in dac33_interrupt_handler()
774 	if (dac33->fifo_mode != DAC33_FIFO_MODE7)  in dac33_interrupt_handler()
775 		queue_work(dac33->dac33_wq, &dac33->work);  in dac33_interrupt_handler()
798 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_startup()  local
801 	dac33->substream = substream;  in dac33_startup()
810 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_shutdown()  local
812 	dac33->substream = NULL;  in dac33_shutdown()
822 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_hw_params()  local
837 		dac33->fifo_size = DAC33_FIFO_SIZE_16BIT;  in dac33_hw_params()
838 		dac33->burst_rate = CALC_BURST_RATE(dac33->burst_bclkdiv, 32);  in dac33_hw_params()
841 		dac33->fifo_size = DAC33_FIFO_SIZE_24BIT;  in dac33_hw_params()
842 		dac33->burst_rate = CALC_BURST_RATE(dac33->burst_bclkdiv, 64);  in dac33_hw_params()
866 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_prepare_chip()  local
873 		oscset = CALC_OSCSET(substream->runtime->rate, dac33->refclk);  in dac33_prepare_chip()
875 					 dac33->refclk);  in dac33_prepare_chip()
905 	mutex_lock(&dac33->mutex);  in dac33_prepare_chip()
907 	if (!dac33->chip_power) {  in dac33_prepare_chip()
912 		mutex_unlock(&dac33->mutex);  in dac33_prepare_chip()
941 	if (dac33->fifo_mode) {  in dac33_prepare_chip()
960 	switch (dac33->fifo_mode) {  in dac33_prepare_chip()
976 	switch (dac33->fifo_mode) {  in dac33_prepare_chip()
986 		if (dac33->keep_bclk)  in dac33_prepare_chip()
1000 		if (dac33->keep_bclk)  in dac33_prepare_chip()
1029 	if (dac33->fifo_mode)  in dac33_prepare_chip()
1031 							dac33->burst_bclkdiv);  in dac33_prepare_chip()
1038 	switch (dac33->fifo_mode) {  in dac33_prepare_chip()
1041 			      DAC33_THRREG(dac33->alarm_threshold));  in dac33_prepare_chip()
1048 		dac33_write16(codec, DAC33_UTHR_MSB, DAC33_THRREG(dac33->uthr));  in dac33_prepare_chip()
1056 	mutex_unlock(&dac33->mutex);  in dac33_prepare_chip()
1064 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_calculate_times()  local
1070 	if (!dac33->fifo_mode)  in dac33_calculate_times()
1073 	switch (dac33->fifo_mode) {  in dac33_calculate_times()
1076 		dac33->alarm_threshold = US_TO_SAMPLES(rate,  in dac33_calculate_times()
1077 						dac33->mode1_latency);  in dac33_calculate_times()
1078 		nsample_limit = dac33->fifo_size - dac33->alarm_threshold;  in dac33_calculate_times()
1080 		if (period_size <= dac33->alarm_threshold)  in dac33_calculate_times()
1085 			dac33->nsample = period_size *  in dac33_calculate_times()
1086 				((dac33->alarm_threshold / period_size) +  in dac33_calculate_times()
1087 				(dac33->alarm_threshold % period_size ?  in dac33_calculate_times()
1090 			dac33->nsample = nsample_limit;  in dac33_calculate_times()
1092 			dac33->nsample = period_size;  in dac33_calculate_times()
1094 		dac33->mode1_us_burst = SAMPLES_TO_US(dac33->burst_rate,  in dac33_calculate_times()
1095 						      dac33->nsample);  in dac33_calculate_times()
1096 		dac33->t_stamp1 = 0;  in dac33_calculate_times()
1097 		dac33->t_stamp2 = 0;  in dac33_calculate_times()
1100 		dac33->uthr = UTHR_FROM_PERIOD_SIZE(period_size, rate,  in dac33_calculate_times()
1101 						    dac33->burst_rate) + 9;  in dac33_calculate_times()
1102 		if (dac33->uthr > (dac33->fifo_size - DAC33_MODE7_MARGIN))  in dac33_calculate_times()
1103 			dac33->uthr = dac33->fifo_size - DAC33_MODE7_MARGIN;  in dac33_calculate_times()
1104 		if (dac33->uthr < (DAC33_MODE7_MARGIN + 10))  in dac33_calculate_times()
1105 			dac33->uthr = (DAC33_MODE7_MARGIN + 10);  in dac33_calculate_times()
1107 		dac33->mode7_us_to_lthr =  in dac33_calculate_times()
1109 					dac33->uthr - DAC33_MODE7_MARGIN + 1);  in dac33_calculate_times()
1110 		dac33->t_stamp1 = 0;  in dac33_calculate_times()
1122 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_pcm_trigger()  local
1129 		if (dac33->fifo_mode) {  in dac33_pcm_trigger()
1130 			dac33->state = DAC33_PREFILL;  in dac33_pcm_trigger()
1131 			queue_work(dac33->dac33_wq, &dac33->work);  in dac33_pcm_trigger()
1137 		if (dac33->fifo_mode) {  in dac33_pcm_trigger()
1138 			dac33->state = DAC33_FLUSH;  in dac33_pcm_trigger()
1139 			queue_work(dac33->dac33_wq, &dac33->work);  in dac33_pcm_trigger()
1154 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_dai_delay()  local
1161 	switch (dac33->fifo_mode) {  in dac33_dai_delay()
1165 		spin_lock_irqsave(&dac33->lock, flags);  in dac33_dai_delay()
1166 		t0 = dac33->t_stamp1;  in dac33_dai_delay()
1167 		t1 = dac33->t_stamp2;  in dac33_dai_delay()
1168 		spin_unlock_irqrestore(&dac33->lock, flags);  in dac33_dai_delay()
1185 			if (likely(dac33->alarm_threshold > samples_out))  in dac33_dai_delay()
1186 				delay = dac33->alarm_threshold - samples_out;  in dac33_dai_delay()
1189 		} else if ((t_now - t1) <= dac33->mode1_us_burst) {  in dac33_dai_delay()
1201 						dac33->burst_rate,  in dac33_dai_delay()
1204 			samples = dac33->alarm_threshold;  in dac33_dai_delay()
1221 			samples_in = dac33->nsample;  in dac33_dai_delay()
1222 			samples = dac33->alarm_threshold;  in dac33_dai_delay()
1226 				delay = samples > dac33->fifo_size ?  in dac33_dai_delay()
1227 					dac33->fifo_size : samples;  in dac33_dai_delay()
1233 		spin_lock_irqsave(&dac33->lock, flags);  in dac33_dai_delay()
1234 		t0 = dac33->t_stamp1;  in dac33_dai_delay()
1235 		uthr = dac33->uthr;  in dac33_dai_delay()
1236 		spin_unlock_irqrestore(&dac33->lock, flags);  in dac33_dai_delay()
1253 		if (time_delta <= dac33->mode7_us_to_lthr) {  in dac33_dai_delay()
1271 			time_delta = time_delta - dac33->mode7_us_to_lthr;  in dac33_dai_delay()
1277 					dac33->burst_rate,  in dac33_dai_delay()
1287 							dac33->fifo_mode);  in dac33_dai_delay()
1298 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_set_dai_sysclk()  local
1316 	dac33->refclk = freq;  in dac33_set_dai_sysclk()
1328 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_set_dai_fmt()  local
1341 		if (dac33->fifo_mode) {  in dac33_set_dai_fmt()
1381 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_soc_probe()  local
1384 	codec->control_data = dac33->control_data;  in dac33_soc_probe()
1386 	dac33->codec = codec;  in dac33_soc_probe()
1404 	if (dac33->irq >= 0) {  in dac33_soc_probe()
1405 		ret = request_irq(dac33->irq, dac33_interrupt_handler,  in dac33_soc_probe()
1410 						dac33->irq, ret);  in dac33_soc_probe()
1411 			dac33->irq = -1;  in dac33_soc_probe()
1413 		if (dac33->irq != -1) {  in dac33_soc_probe()
1415 			dac33->dac33_wq =  in dac33_soc_probe()
1417 			if (dac33->dac33_wq == NULL) {  in dac33_soc_probe()
1418 				free_irq(dac33->irq, codec);  in dac33_soc_probe()
1422 			INIT_WORK(&dac33->work, dac33_work);  in dac33_soc_probe()
1427 	if (dac33->irq >= 0)  in dac33_soc_probe()
1437 	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);  in dac33_soc_remove()  local
1439 	if (dac33->irq >= 0) {  in dac33_soc_remove()
1440 		free_irq(dac33->irq, dac33->codec);  in dac33_soc_remove()
1441 		destroy_workqueue(dac33->dac33_wq);  in dac33_soc_remove()
1496 	struct tlv320dac33_priv *dac33;  in dac33_i2c_probe()  local
1505 	dac33 = devm_kzalloc(&client->dev, sizeof(struct tlv320dac33_priv),  in dac33_i2c_probe()
1507 	if (dac33 == NULL)  in dac33_i2c_probe()
1510 	dac33->control_data = client;  in dac33_i2c_probe()
1511 	mutex_init(&dac33->mutex);  in dac33_i2c_probe()
1512 	spin_lock_init(&dac33->lock);  in dac33_i2c_probe()
1514 	i2c_set_clientdata(client, dac33);  in dac33_i2c_probe()
1516 	dac33->power_gpio = pdata->power_gpio;  in dac33_i2c_probe()
1517 	dac33->burst_bclkdiv = pdata->burst_bclkdiv;  in dac33_i2c_probe()
1518 	dac33->keep_bclk = pdata->keep_bclk;  in dac33_i2c_probe()
1519 	dac33->mode1_latency = pdata->mode1_latency;  in dac33_i2c_probe()
1520 	if (!dac33->mode1_latency)  in dac33_i2c_probe()
1521 		dac33->mode1_latency = 10000; /* 10ms */  in dac33_i2c_probe()
1522 	dac33->irq = client->irq;  in dac33_i2c_probe()
1524 	dac33->fifo_mode = DAC33_FIFO_BYPASS;  in dac33_i2c_probe()
1527 	if (dac33->power_gpio >= 0) {  in dac33_i2c_probe()
1528 		ret = gpio_request(dac33->power_gpio, "tlv320dac33 reset");  in dac33_i2c_probe()
1532 				dac33->power_gpio);  in dac33_i2c_probe()
1535 		gpio_direction_output(dac33->power_gpio, 0);  in dac33_i2c_probe()
1538 	for (i = 0; i < ARRAY_SIZE(dac33->supplies); i++)  in dac33_i2c_probe()
1539 		dac33->supplies[i].supply = dac33_supply_names[i];  in dac33_i2c_probe()
1541 	ret = devm_regulator_bulk_get(&client->dev, ARRAY_SIZE(dac33->supplies),  in dac33_i2c_probe()
1542 				 dac33->supplies);  in dac33_i2c_probe()
1556 	if (dac33->power_gpio >= 0)  in dac33_i2c_probe()
1557 		gpio_free(dac33->power_gpio);  in dac33_i2c_probe()
1564 	struct tlv320dac33_priv *dac33 = i2c_get_clientdata(client);  in dac33_i2c_remove()  local
1566 	if (unlikely(dac33->chip_power))  in dac33_i2c_remove()
1567 		dac33_hard_power(dac33->codec, 0);  in dac33_i2c_remove()
1569 	if (dac33->power_gpio >= 0)  in dac33_i2c_remove()
1570 		gpio_free(dac33->power_gpio);  in dac33_i2c_remove()